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Criss Lab is among the top color gem testing labs in India. We conduct ongoing research and implement new tools to maintain our reputation.

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We’re Leading in Gemstone Testing Lab

World best gem testing lab

Criss Lab, founded in 2010, is a well-known company that provides Gem Testing and Certificate Tracking services. Our lab is equipped with cutting-edge gem testing technology and highly qualified staff to provide the best services in the least amount of time. Our specialty is in providing services for all types of colored stone testing, pearl testing, diamond grading, and gemstone treatment identification. To ensure optimal quality, our laboratory is routinely inspected by our quality controllers, who ensure that all of our equipment is operating at peak efficiency. We are also constantly improving our technological capabilities, which has allowed us to provide the best service possible to our consumers.

Men testing at criss lab gemstone testing lab

Services we provide :

  • Diamond Grading Report
  •  Gemstone Identification Report
  •  Jewellery Authentication Report
  • Gemstone Authentication Report
  •  Colour Gemstone Authenticity Report

Gem Identification Laboratory

Diamond Grading Report

Diamond Grading Report

Each diamond is graded based on the four C’s: clarity, cut, color, and carat weight. At CrissLab, each Diamond is thoroughly assessed by an experienced Diamond.This report not only covers the four C’s, but it also tells whether the diamond has been treated or upgraded in any way to reach its current status. CrissLab uses the well known GIA-Grading technique to grade diamonds.

Jewellery authentication report

Jewellery authentication report

This report is intended for jewelry goods studded with diamonds and gemstones. This report includes all of the necessary information on the Jewellery Item for both the supplier and the buyer. Expert gemologists analyze each piece of jewellery under stringent guidelines and using specialized equipment.

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Gemstone Identification Report

Gemstone Identification Report

Gemstones are identified based on their physical and optical qualities. This report mentions the gemstone’s features such as weight, shape and cut, measurement, and so on. Our trained gemologists inspect each gemstone meticulously using internationally established procedures and tools. Each Report includes an image of the stone referenced in the Report for identification.

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+14322434141

356 lowa Avenue City Fort Lauderdale